On August 30, 2010, Intel and Infineon Technologies announced that Intel would acquire Infineon's Wireless Solutions business.
Major manufacturers producing MEMS silicon microphones are Wolfson Microelectronics(WM7xxx) now Cirrus Logic, InvenSense(product line sold by Analog Devices),
Akustica(AKU200x), Infineon(SMM310 product), Knowles Electronics, Memstech(MSMx), NXP Semiconductors(division bought by Knowles), Sonion MEMS, Vesper, AAC Acoustic Technologies, and Omron.